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RINA GRADE D420, RINA D420 STEEL PLATE
Gangsteel is specialized in supplying RINA extra high strength steel plate in RINA Grade D420. For more information of Grade D420 steel plate, please check them in following:
RI/D420 extra high Strength Chemical Composition in Tempering and Quenching
|
Element |
RINA D420 Max % |
Element |
RINA D420 Max % |
|
C |
0.20 |
Ni |
0.40 |
|
Mn |
1.70 |
Mo |
0.08 |
|
Si |
0.10-0.55 |
Al |
0.020 min |
|
S |
0.030 |
Nb |
0.20-0.05 |
|
P |
0.030 |
V |
0.05-0.10 |
|
Cu |
0.35 |
Ti |
0.0007-0.05 |
|
Cr |
0.20 |
N |
|
Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
RI/D420 extra high strength property in Tempering and Quenching
|
Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
|
|
|
|
-20 degree |
|
|
RINA D420 |
8-260 |
420 |
530-680 |
18 |
28J |
Note: the impact energy under less 150mm thickness; longitudinal min impact energy
Boiler steel plates | Alloy steel plates | High strength plate| Carbon steel plate | Stainless steel plate
|
Equivalent steel grade of RI/D420 |
|||||||
|
NV D420 |
GL-D420 |
LR/D420 |
BV/D420 |
ABS/D420 |
K D420 |
R D420 |
CCS/D420 |
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